Marie Rognes wrote: > Garth N. Wells wrote: >> >> >> Marie Rognes wrote: >>> >>> The following code gives r = 0.0. It is not supposed to be. >>> >>> The problem seems to be that f's vector is still all zeros at the call >>> to interpolate. Could this be easily fixed? >>> >> >> This example should have led to an error message since f is not a >> discrete function. I'll take a look. >> > > Ok, thanks! > > However, > > (a) Why is f not a discrete function? (It is defined on a finite element > space?)
On second thought, it may be a discrete function. I think that this is defined in the Python interface and not the C++ interface, so I'll take a look. > (b) I would very much like this not to give an error, but rather work ;) > I would use something like this all the time when checking convergence. > Just do f.interpolate() Garth > -- > Marie > > >> Garth >> >>> -- >>> from dolfin import * >>> >>> mesh = UnitSquare(1,1) >>> V_h = FunctionSpace(mesh, "CG", 1) >>> f = Function(V_h, "1.0") >>> >>> Q_h = FunctionSpace(mesh, "DG", 1) >>> Pi_f = interpolate(f, Q_h) >>> >>> r = norm(Pi_f) >>> print "r = ", r >>> --- >>> >>> -- >>> Marie >>> >>> >>> _______________________________________________ >>> DOLFIN-dev mailing list >>> DOLFIN-dev@fenics.org >>> http://www.fenics.org/mailman/listinfo/dolfin-dev >> >> > _______________________________________________ DOLFIN-dev mailing list DOLFIN-dev@fenics.org http://www.fenics.org/mailman/listinfo/dolfin-dev
